%0 Journal Article %T From the Kuramoto-Sakaguchi model to the Kuramoto-Sivashinsky equation %A Yoji Kawamura %J Physics %D 2014 %I arXiv %R 10.1103/PhysRevE.89.010901 %X We derive the Kuramoto-Sivashinsky-type phase equation from the Kuramoto-Sakaguchi-type phase model via the Ott-Antonsen-type complex amplitude equation and demonstrate heterogeneity-induced collective-phase turbulence in nonlocally coupled individual-phase oscillators. %U http://arxiv.org/abs/1401.3089v1